He emailed: The angel is one of many inside Cathedral of Mary of the Assumption at Hoyt and Owen in Saginaw. They are on the walls at the bottom of the ceiling arches, and a light shines on each. The 1867 building with ornate brickwork, I'll guess is somewhere in Downtown Bay City. Thank you, Richard Ciolek.

The detail of the ornate brickwork is indeed in downtown Bay City, at the top of the building that houses Mulligan's Pub and Uptown Girl on Center.